Saliva - What's Underneath All That Wet Stuff?

Saliva is something we seem to notice or think only when our mouths are dry or when we’ve accidently gotten spittle on someone else’s arm. IN other words, only when there’s too little for it or too much. However, this humble lubricant may play a larger role in our oral and overall health. Dr. Khoo Suan Phaik joins me to explain Saliva – what’s underneath all that wet stuff?